Home / 108,962,966.24-150,371,149.64-61,279,131.87

Finding the Fourth Proportional to 108,962,966.24, 150,371,149.64 and 61,279,131.87

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Solution

The fourth proportional to 108,962,966.24, 150,371,149.64 and 61,279,131.87 is: 84,566,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962,966.24 : 150,371,149.64 = 61,279,131.87 : x
  2. Step 2: Convert to fraction form
    108,962,966.24/150,371,149.64 = 61,279,131.87/x
  3. Step 3: Cross multiply
    108,962,966.24x = 150,371,149.64 × 61,279,131.87
  4. Step 4: Simplify right side
    108,962,966.24x = 9,214,613,507,926,666
  5. Step 5: Solve for x
    x = 9,214,613,507,926,666/108,962,966.24
  6. Step 6: Final answer
    x = 84,566,470.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.